Mechanical clamping – Hydraulic release high operational safety Leak-proof and Robust Economical clamping solution. General Hydromechanical spring clamping systems work through interaction of mechanical and hydraulic systems. The clamping force is applied mechanically through a pre-loaded disk spring set.
Operating Principle
The thrust or draw piston is pressurised by the disk spring stack or hydraulic pressure. The spring stack is compressed with increasing oil pressure, the spring force increases under pressure, the corresponding nominal clamping force is reached as a reaction force of the disk spring stack. To release the thrust or draw piston, a higher hydraulic pressure is required, which is up to a maximum value, is proportional to the release stroke. The setting pressure is required only for precise force adjustment during initial installation. During the actual operating cycle, the cylinders are either pressure less or at no pressure. In spring clamping cylinders, a tie rod is threaded down and secured in the draw pistons threaded hole. Increase system pressure to the set pressure and maintain; align cylinder using the ring guide nut
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